Thu, 05 Jan 2006 22:29:57 +0100 store_thm: transfer to current context, i.e. the target theory;
wenzelm [Thu, 05 Jan 2006 22:29:57 +0100] rev 18586
store_thm: transfer to current context, i.e. the target theory;
Thu, 05 Jan 2006 22:29:55 +0100 replaced swap by contrapos_np;
wenzelm [Thu, 05 Jan 2006 22:29:55 +0100] rev 18585
replaced swap by contrapos_np;
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